Home / 12,561.55-18,842.32-3,796.47

Finding the Fourth Proportional to 12,561.55, 18,842.32 and 3,796.47

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Solution

The fourth proportional to 12,561.55, 18,842.32 and 3,796.47 is: 5,694.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561.55 : 18,842.32 = 3,796.47 : x
  2. Step 2: Convert to fraction form
    12,561.55/18,842.32 = 3,796.47/x
  3. Step 3: Cross multiply
    12,561.55x = 18,842.32 × 3,796.47
  4. Step 4: Simplify right side
    12,561.55x = 71,534,307.36
  5. Step 5: Solve for x
    x = 71,534,307.36/12,561.55
  6. Step 6: Final answer
    x = 5,694.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.